/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMBlueprint.h
Adds a breakpoint to all loaded blueprints which use the InBreakpointNode. If LibraryNode is not null, it indicates that the library uses the InBreapointNode, and the function will add breakpoints to any other loaded blueprint that references this library.
bool AddBreakpoint ( [URigVMNode](API\Plugins\RigVMDeveloper\RigVMModel\URigVMNode) * InBreakpointNode, [URigVMLibraryNode](API\Plugins\RigVMDeveloper\RigVMModel\Nodes\URigVMLibraryNode) * LibraryNode )